20859392

素因数分解:

$2^9\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:460

約数の個数: 40

約数和(自身を含む): 42131232

約数和(自身を除く): 21271840

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 311, 512, 524, 622, 1048, 1244, 2096, 2488, 4192, 4976, 8384, 9952, 16768, 19904, 33536, 39808, 40741, 67072, 79616, 81482, 159232, 162964, 325928, 651856, 1303712, 2607424, 5214848, 10429696, 20859392]

約数ペア:

[(1, 20859392), (2, 10429696), (4, 5214848), (8, 2607424), (16, 1303712), (32, 651856), (64, 325928), (128, 162964), (131, 159232), (256, 81482), (262, 79616), (311, 67072), (512, 40741), (524, 39808), (622, 33536), (1048, 19904), (1244, 16768), (2096, 9952), (2488, 8384), (4192, 4976)]